22021212101210 has 16 divisors (see below), whose sum is σ = 45300779179776. Its totient is φ = 7550129863248.

The previous prime is 22021212101201. The next prime is 22021212101263. The reversal of 22021212101210 is 1210121212022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157294372082 + ... + 157294372221.

It is an arithmetic number, because the mean of its divisors is an integer number (2831298698736).

Almost surely, 2^{22021212101210} is an apocalyptic number.

22021212101210 is an abundant number, since it is smaller than the sum of its proper divisors (23279567078566).

22021212101210 is a wasteful number, since it uses less digits than its factorization.

22021212101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314588744317.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22021212101210 its reverse (1210121212022), we get a palindrome (23231333313232).

The spelling of 22021212101210 in words is "twenty-two trillion, twenty-one billion, two hundred twelve million, one hundred one thousand, two hundred ten".